7145525

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:110

約数の個数: 36

約数和(自身を含む): 10049952

約数和(自身を除く): 2904427

約数列:

[1, 5, 17, 23, 25, 43, 85, 115, 215, 289, 391, 425, 575, 731, 989, 1075, 1445, 1955, 3655, 4945, 6647, 7225, 9775, 12427, 16813, 18275, 24725, 33235, 62135, 84065, 166175, 285821, 310675, 420325, 1429105, 7145525]

約数ペア:

[(1, 7145525), (5, 1429105), (17, 420325), (23, 310675), (25, 285821), (43, 166175), (85, 84065), (115, 62135), (215, 33235), (289, 24725), (391, 18275), (425, 16813), (575, 12427), (731, 9775), (989, 7225), (1075, 6647), (1445, 4945), (1955, 3655)]